Re: My vision of usbmon

Greg KH
2004-12-22T05:09:02Z

On Wed, Dec 22, 2004 at 12:38:54PM +1100, Nick Piggin wrote:
> On Tue, 2004-12-21 at 16:57 -0800, Greg KH wrote:
> > On Sun, Dec 19, 2004 at 11:04:54PM -0800, Pete Zaitcev wrote:
> > > Hi, Guys:
> > >
> > > This is usbmon which I cooked up because I got tired from adding dbg()'s
> > > and polluting my dmesg. I use it to hunt bugs in USB storage devices so
> > > far, and it's useful, although limited at this stage.
> > >
> > > I looked at the Harding's USBmon patch, and I think he got a few things right.
> > > The main of them is that I underestimated the benefits of placing the special
> > > files into the filesystem namespace. When we discussed it with Greg in the
> > > airport, we decided that having some sort of Netlink-style socket would be
> > > the best option. I decided to make a u-turn and attach those sockets into
> > > the namespace (currently under /dbg, but it can change). What this buys us is:
> > >
>
> Is there any reason why these debug filesystems are going under the
> root directory? Why not /sys/debug or /sys/kernel/debug or something?

See the previous thread as to where to mount debugfs. In short, I don't
really care :)

thanks,

greg k-h